chris@1: /*
chris@1:  *   SONEWS News Server
chris@1:  *   see AUTHORS for the list of contributors
chris@1:  *
chris@1:  *   This program is free software: you can redistribute it and/or modify
chris@1:  *   it under the terms of the GNU General Public License as published by
chris@1:  *   the Free Software Foundation, either version 3 of the License, or
chris@1:  *   (at your option) any later version.
chris@1:  *
chris@1:  *   This program is distributed in the hope that it will be useful,
chris@1:  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
chris@1:  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
chris@1:  *   GNU General Public License for more details.
chris@1:  *
chris@1:  *   You should have received a copy of the GNU General Public License
chris@1:  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
chris@1:  */
chris@1: package org.sonews.util;
chris@1: 
chris@1: import java.io.BufferedReader;
chris@1: import java.io.InputStreamReader;
chris@1: import java.sql.Connection;
chris@1: import java.sql.DriverManager;
cli@44: import java.sql.SQLException;
chris@1: import java.sql.Statement;
chris@1: import java.util.HashMap;
chris@1: import java.util.Map;
chris@1: import org.sonews.util.io.Resource;
chris@1: 
chris@1: /**
chris@1:  * Database setup utility class.
chris@1:  * @author Christian Lins
chris@1:  * @since sonews/0.5.0
chris@1:  */
cli@44: public final class DatabaseSetup {
chris@1: 
cli@37: 	private static final Map<String, String> templateMap = new HashMap<String, String>();
cli@37: 	private static final Map<String, StringTemplate> urlMap = new HashMap<String, StringTemplate>();
cli@37: 	private static final Map<String, String> driverMap = new HashMap<String, String>();
chris@1: 
cli@37: 	static {
cli@37: 		templateMap.put("1", "helpers/database_mysql5_tmpl.sql");
cli@37: 		templateMap.put("2", "helpers/database_postgresql8_tmpl.sql");
cli@44: 		templateMap.put("3", "helpers/database_hsqldb_tmpl.sql");
chris@1: 
cli@37: 		urlMap.put("1", new StringTemplate("jdbc:mysql://%HOSTNAME/%DB"));
cli@37: 		urlMap.put("2", new StringTemplate("jdbc:postgresql://%HOSTNAME/%DB"));
cli@37: 
cli@37: 		driverMap.put("1", "com.mysql.jdbc.Driver");
cli@37: 		driverMap.put("2", "org.postgresql.Driver");
cli@44: 		driverMap.put("3", "org.hsqldb.jdbcDriver");
cli@37: 	}
cli@37: 
cli@37: 	public static void main(String[] args)
cli@44: 			throws Exception {
cli@44: 		
cli@44: 		loadJDBCDriver();
cli@37: 
cli@44: 		if (args.length == 0) {
cli@44: 			System.out.println("sonews Database setup helper");
cli@44: 			System.out.println("This program will create a initial database table structure");
cli@44: 			System.out.println("for the sonews Newsserver.");
cli@44: 			System.out.println("You need to create a database and a db user manually before!");
cli@37: 
cli@44: 			System.out.println("Select DBMS type:");
cli@44: 			System.out.println("[1] MySQL 5.x or higher");
cli@44: 			System.out.println("[2] PostgreSQL 8.x or higher");
cli@44: 			System.out.print("Your choice: ");
cli@44: 
cli@44: 			BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
cli@44: 			String dbmsType = in.readLine();
cli@44: 			String tmplName = templateMap.get(dbmsType);
cli@44: 			if (tmplName == null) {
cli@44: 				System.err.println("Invalid choice. Try again you fool!");
cli@44: 				main(args);
cli@44: 				return;
cli@44: 			}
cli@44: 
cli@44: 			String tmpl = Resource.getAsString(tmplName, true);
cli@44: 
cli@44: 			System.out.print("Database server hostname (e.g. localhost): ");
cli@44: 			String dbHostname = in.readLine();
cli@44: 
cli@44: 			System.out.print("Database name: ");
cli@44: 			String dbName = in.readLine();
cli@44: 
cli@44: 			System.out.print("Give name of DB user that can create tables: ");
cli@44: 			String dbUser = in.readLine();
cli@44: 
cli@44: 			System.out.print("Password: ");
cli@44: 			String dbPassword = in.readLine();
cli@44: 
cli@44: 			String url = urlMap.get(dbmsType).set("HOSTNAME", dbHostname).set("DB", dbName).toString();
cli@44: 			createTables(tmpl, url, dbUser, dbPassword);
cli@44: 
cli@44: 			// TODO: Create config file
cli@44: 
cli@44: 		} else if(args.length == 4) {
cli@44: 			String tmplName = args[0];
cli@44: 			String url = args[1];
cli@44: 			String dbUser = args[2];
cli@44: 			String dbPassword = args[3];
cli@44: 
cli@44: 			String tmpl = Resource.getAsString(tmplName, true);
cli@44: 			createTables(tmpl, url, dbUser, dbPassword);
cli@44: 		} else {
cli@44: 			System.out.println("Wrong number of parameters!");
cli@37: 		}
cli@37: 
cli@44: 		System.out.println("Ok");
cli@44: 	}
cli@37: 
cli@44: 	public static void createTables(String tmpl, String url, String dbUser, String dbPassword)
cli@44: 			throws SQLException {
cli@37: 		Connection conn =
cli@44: 				DriverManager.getConnection(url, dbUser, dbPassword);
cli@37: 
cli@37: 		String[] tmplChunks = tmpl.split(";");
cli@37: 
cli@37: 		for (String chunk : tmplChunks) {
cli@37: 			if (chunk.trim().equals("")) {
cli@37: 				continue;
cli@37: 			}
cli@37: 
cli@37: 			Statement stmt = conn.createStatement();
cli@37: 			stmt.execute(chunk);
cli@37: 		}
cli@37: 
cli@37: 		conn.commit();
cli@44: 		conn.close();
cli@44: 	}
cli@37: 
cli@44: 	public static void loadJDBCDriver() {
cli@44: 		for(String className : driverMap.values()) {
cli@44: 			try {
cli@44: 				Class.forName(className);
cli@44: 			} catch (ClassNotFoundException ex) {
cli@44: 				System.out.println("Could not load JDBC driver: " + className);
cli@44: 			}
cli@44: 		}
cli@37: 	}
chris@1: }